98
U-Match Series DC
Inverter Service Manual
2). Filtering Board
1
2
3
5
4
6
7
No. Printing Interface No. Printing Interface
1 N-OUT1
Neutral wire output 1
(white) (only for 18K)
2 N-OUT Neutral wire output (white)
3
L-OUT Live wire output (red) 4 E1 Grounding wire
5E2
(Reserved) 6 AC-L Live wire input (red)
7
AC-N Neutral wire input (white)
(4). GUHD48NK3FO
1). Drive Board:
11
1
8
2
3
4
5
6
7
9
10
121314
No. Printing Interface No. Printing Interface
1 AC-L Live wire input (red) 2 L1-1 PFC induction wire (brown)
3 N Neutral wire input (white) 4 L2-2 PFC induction wire (blue)
5 L2-1 PFC induction wire (yellow) 6 L1-2 PFC induction wire (white)
7 PWR Control power input 8 JTAG1 (Reserved)
9 COMM Communication interface 10 DC-BUS1
DC bus electric discharging
needle stand (for testing)
11 DC-BUS
DC bus interface (connect
WR¿OWHULQJERDUG
12 U Compressor Phase U
13 V Compressor Phase V 14 W Compressor Phase W